26225604 has 18 divisors (see below), whose sum is σ = 66292590. Its totient is φ = 8741856.

The previous prime is 26225587. The next prime is 26225621. The reversal of 26225604 is 40652262.

It is an interprime number because it is at equal distance from previous prime (26225587) and next prime (26225621).

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 2722500 = 4848^2 + 1650^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364209 + ... + 364280.

Almost surely, 2^26225604 is an apocalyptic number.

It is an amenable number.

26225604 is an abundant number, since it is smaller than the sum of its proper divisors (40066986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26225604 is a wasteful number, since it uses less digits than its factorization.

26225604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728499 (or 728494 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 26225604 is about 5121.0940237414. The cubic root of 26225604 is about 297.1040005809.

Adding to 26225604 its reverse (40652262), we get a palindrome (66877866).

The spelling of 26225604 in words is "twenty-six million, two hundred twenty-five thousand, six hundred four".